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50 Cards in this Set
- Front
- Back
What is the most commonly used roof covering for residential construction? |
asphalt shingles |
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How long is an asphalt shingle roof designed to last? |
20 to 30 years |
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How many square feet will a square of roofing cover? |
100 square feet (9.29 m2) |
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How many bundles of shingles does it usually take to make one square? |
3 |
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Approximately how much does a square of asphalt shingles weigh? |
235 to 400 pounds (107 to 181 kg) |
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What is the wood surface called to which the roofing materials are applied? |
deck |
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What is a horizontal row of shingles called? |
course |
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What is the name of the amount of roofing in each course that is exposed to the weather? |
exposure |
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Which of the following materials is typically used to make flashings? |
aluminum |
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What is the reaction called that occurs when unlike metals come in contact with water? |
electrolysis |
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What is the metal installed around the perimeter of the roof called? |
drip edge |
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What is the heavy paper saturated with asphalt that goes under the shingles called? |
asphalt felts |
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Which type of asphalt shingles has a Class A fire resistance? |
fibreglass shingles |
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What can be done to protect the roof from ice and water? |
an ice and water shield may be installed |
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For conventional methods of asphalt shingle application, what is the minimum roof slope? |
4:12 |
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What is the course of shingles called that backs up and fills in the spaces between tabs of the first regular course of shingles? |
starter course |
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How far should roofing nails penetrate the sheathing? |
at least 3/4 inch (19 mm) |
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By how much should the first course of shingles overhang the drip edge? |
1/4 to 3/8 inch (6 to 9.5 mm) |
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What is the maximum exposure of most commonly used asphalt shingles? |
5 inches (125 mm) |
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What is the single tab shingle that covers the ridge called? |
ridge cap |
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Which of the following roofing materials is installed using screws? |
cement tiles |
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Which type of roofing has a self-sealing strip? |
asphalt shingles |
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What does regular cement tile weigh? |
700 to 800 pounds per square (34 to 39 kg/m2) |
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What wood species are most wood shingles and shakes produced from? |
western red cedar |
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What size of boards are used for spaced sheathing for shingles and shakes? |
1 ´ 4 or 1 ´ 6 (19 ´ 89 or 19 ´ 140) |
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Which tool are shingles and shakes usually applied with? |
shingling hatchet |
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What part of a shingling hatchet is used for checking shingle exposure? |
sliding gauge |
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How many nails is each wood shake or shingle fastened with? |
2 nails |
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How far apart should wood shakes be spaced? |
1/4 to 3/8 inch apart (6 to 9.5 mm) |
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By how much should joints of shakes be staggered from adjacent courses? |
at least 1 1/2 inch (38 mm) |
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When hip and ridge shakes are applied, how should they overlap? |
overlap should alternate |
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How does the number of sheets of rated sheathing used on a roof compare to the number of bundles of asphalt shingles required to cover the roof? |
they are the same |
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Why are roof valleys especially vulnerable to leakage? |
because of the amount of water that flows down through them |
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What is a valley called if the shingles on adjacent roof slopes alternately lap each other sideways? |
woven valley |
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What is the minimum distance fasteners for shingles can be placed from the centre of the valley flashing? |
6 inches (152 mm) |
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What are individual metal pieces tacked between courses of shingles called? |
step flashings |
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Before which of the following is step flashing installed? |
siding |
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What is the water diverter on the upper side of a chimney called? |
cricket |
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What is the flashing on the lower side of the chimney called? |
apron flashing |
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How many nails does a regular three-tab asphalt shingle require? |
4 |
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After the application of underlayment, it is recommended that ____________ |
metal drip edge be applied to the rakes |
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On long roofs, accurate vertical allignment in ensured by starting at the center and working both ways. |
True |
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The area covered by one square of shingles or shakes depends on the choice of underlayment |
False |
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A hip roof has the same area as the equivalent sized gable roof |
True |
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Once clay tiles are loaded onto the roof deck, it is a good idea to begin the interior finishing |
False |
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A _____________ is another name for a cricket |
Saddle |
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____________ and zinc are expensive but high quality flashing materials |
copper |
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Roof _____________ are especially vulnerable to leaking due to the great volume of water that flows down them. |
valleys |
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When nailing shingles, it is recommended that the nails be placed __________ the factory applied adhesive. |
below |
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The most popular type of asphalt shingles used to be the 3-tab, but now most people buy the ____________________ type asphalt shingles because of their favourable appearance and their longer life expectancy. |
architectural |